Longman Dictionary of Contemporary English
non-scientific
adjective
EXAMPLES FROM CORPUS
▪ In every subject, scientific and non-scientific alike, there are two possible approaches, the practical and the theoretical.
▪ The anthropological evidence, then, suggests that there is scientific and non-scientific thought in all societies and within all individuals.
▪ To place something else at the center may arouse fears that superstition and non-scientific ideas will attack an undefended citadel of science.
Wiktionary
non-scientific
a. Of or pertaining to matters which are not scientifically rigorous.
Usage examples of "non-scientific".
The rest of his time was mostly spent in non-scientific affairs, such as defending his mother against a charge of witchcraft.
We often hear religious but non-scientific men complain because scientific and perhaps equally as religious men do not in their books ascribe the production of natural phenomena to the Divine Power.